Dignitaries grouped in front of the Wright House and Orville Wright with others at dedication of a memorial in the U.S.

The 40th Anniversary of the Wright brothers first flight in the United States. Conference members grouped in front of the Wright House. Orville Wright surrounded by a group. The group enters a building. Aviator Orville Wright, General Quincy Gillmore and U.S. Army Colonel Edward Andrew Deeds with others enter an aircraft. The aircraft taxis for a take off. Delegates in a group in Washington. Orville Wright in whose honor the conference was held. United States President John Calvin Coolidge, Jr. and United States Secretary of Commerce William Fairfield Whiting present. The group at Kitty Hawk in North Carolina. Orville Wright removes a cover from a stone memorial. Pigeons are released. A plaque commemorating the first successful flight of an airplane.